D defs.my
Entry 2 senses Webster, 1913

Heathendom

/(-dŭm)/ · Hea·then·dom · IPA /ˈhiː.ðn̩.dəm/
01 n. That part of the world where heathenism prevails; the heathen nations, considered collectively.
  1. 1.
    That part of the world where heathenism prevails; the heathen nations, considered collectively.
  2. 2.
    Heathenism.